diff --git a/SUBQHSE/FineUIPro.Web/CQMS/Check/RewardAndPunish.aspx.cs b/SUBQHSE/FineUIPro.Web/CQMS/Check/RewardAndPunish.aspx.cs
index 4faa0ca..a7146c8 100644
--- a/SUBQHSE/FineUIPro.Web/CQMS/Check/RewardAndPunish.aspx.cs
+++ b/SUBQHSE/FineUIPro.Web/CQMS/Check/RewardAndPunish.aspx.cs
@@ -258,7 +258,11 @@ namespace FineUIPro.Web.CQMS.Check
         {
             if (persionid != null && !string.IsNullOrEmpty(persionid.ToString()))
             {
-                return BLL.PersonService.GetPersonById(persionid.ToString()).PersonName;
+                SitePerson_Person person = BLL.PersonService.GetPersonById(persionid.ToString());
+                if (person != null)
+                {
+                    return person.PersonName;
+                }
             }
             return "";
         }